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2010 Sep 29
2
[LLVMdev] Fwd: bitcode / bytecode
On Sep 29, 2010, at 3:12 PM, Bill Wendling wrote:
> Chris rewrote the original LLVM bytecode into it's present bitcode form. The newer code is much smaller than the previous form. That would be my guess for why he chose to call it bitcode. Of course, he can say for himself. :-)
The format is literally a bitstream, not a bytestream. See this document for more details:
2010 Sep 30
0
[LLVMdev] Fwd: bitcode / bytecode
...lvm.org/docs/BitCodeFormat.html
Ah... something I always meant to ask: How does the LLVM infrastructure
deal with the added overhead of packing/unpacking a bitstream?
Ignore it since modern CPUs can deal with that?
Some ingenious algorithm?
Last time I heard about a bitstream format was with the i432, where
hindsight lore has it that bitstreams are just too complicated to
maintain, but I guess some things might have changed since then.
Regards,
Jo